CN116447104B - Piston type air compressor and crankshaft adapted by same - Google Patents

Piston type air compressor and crankshaft adapted by same Download PDF

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Publication number
CN116447104B
CN116447104B CN202310715681.9A CN202310715681A CN116447104B CN 116447104 B CN116447104 B CN 116447104B CN 202310715681 A CN202310715681 A CN 202310715681A CN 116447104 B CN116447104 B CN 116447104B
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CN
China
Prior art keywords
cylinder
driving
plug
locking block
crank
Prior art date
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Active
Application number
CN202310715681.9A
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Chinese (zh)
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CN116447104A (en
Inventor
谭英川
孙春蕾
张佳伟
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Nanjing Zhongxincheng Power Machinery Co ltd
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Nanjing Zhongxincheng Power Machinery Co ltd
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Priority to CN202310715681.9A priority Critical patent/CN116447104B/en
Publication of CN116447104A publication Critical patent/CN116447104A/en
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Publication of CN116447104B publication Critical patent/CN116447104B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/06—Crankshafts
    • F16C3/10—Crankshafts assembled of several parts, e.g. by welding by crimping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B27/0404—Details, component parts specially adapted for such pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
    • F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
    • F04B37/12—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0094—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 crankshaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/06—Cooling; Heating; Prevention of freezing
    • F04B39/066—Cooling by ventilation

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Compressor (AREA)

Abstract

The invention belongs to the technical field of air compressors, and particularly relates to a piston type air compressor and an adaptive crankshaft thereof, which comprises a machine body, wherein a driving source is arranged on the machine body; the machine head is arranged on the machine body; the aircraft nose includes the crankcase, and multiunit cylinder subassembly is installed to the top of crankcase, and cylinder subassembly includes a plurality of compression cylinder, and a plurality of compression cylinder is evenly installed in the outside of crankcase, and the one end of crankcase is fixed with the driving piece. The device can set up more cylinders to with the cylinder grouping, every group cylinder corresponds a bent axle spare, controls a plurality of group cylinder simultaneous operation through connecting a plurality of bent axle spare during the use, and the power scope that can adjust is bigger, and is in when high-power, starts more cylinder operations simultaneously, when not reducing air compression efficiency again, can reduce piston reciprocating speed, effectively noise reduction, reduction cylinder temperature rising speed.

Description

Piston type air compressor and crankshaft adapted by same
Technical Field
The invention belongs to the technical field of air compressors, and particularly relates to a piston type air compressor and an adaptive crankshaft thereof.
Background
An air compressor is a device for compressing a gas. The air compressor is similar in construction to the water pump. Most air compressors are reciprocating piston type, rotary vane type or rotary screw type, wherein the reciprocating piston type drives a piston to reciprocate in a cylinder through rotation of a crankshaft, and gas in the cylinder is subjected to a series of changes, the air compressor comprises three processes of air suction, compression and air discharge, the air compressor drives all pistons to reciprocate through the crankshaft, the number of the arranged cylinders is limited, the adjustable power range is smaller, noise generated is larger when high power is started, and in addition, the temperature of the cylinder rises higher in the reciprocating process, so the air compressor is not suitable for long-time use.
Disclosure of Invention
The invention aims to provide a piston air compressor and an adaptive crankshaft thereof, which can be used for arranging more cylinders and grouping the cylinders, wherein each group of cylinders corresponds to one crankshaft, when the piston air compressor is used, a plurality of groups of cylinders are controlled to run simultaneously by connecting a plurality of crankshafts, the adjustable power range is larger, and when the piston air compressor is in high power, more cylinders are started to run simultaneously, so that the reciprocating motion speed of the piston can be reduced, the noise is effectively reduced, and the temperature rising speed of the cylinders is reduced while the air compression efficiency is not reduced.
The technical scheme adopted by the invention is as follows:
a piston air compressor comprising:
a body provided with a driving source;
the machine head is arranged on the machine body;
the machine head comprises a crank box, a plurality of groups of cylinder assemblies are arranged above the crank box, each cylinder assembly comprises a plurality of compression cylinders, a plurality of compression cylinders are uniformly arranged on the outer side of the crank box, one end of the crank box is fixedly provided with a driving piece, and one end of the driving piece is positioned in the crank box and is provided with a crank shaft assembly;
the crankshaft assembly comprises a front end shaft, a rear end shaft, a plurality of crankshaft pieces and a connecting assembly, wherein the front end shaft is rotationally connected to one end of the crankcase, the rear end shaft is rotationally connected to the other end of the crankcase, a plurality of rotating cavities are formed in the crankcase, the crankshaft pieces are installed in the rotating cavities, and every two adjacent crankshaft pieces are connected through the connecting assembly;
the connecting assembly comprises a clamping part and a driving inserting part, the driving inserting part is matched with the clamping part, the driving inserting part and the clamping part are respectively arranged on two adjacent crankshaft pieces, and when the driving inserting part and the clamping part are clamped, the two adjacent crankshaft pieces synchronously operate.
In a preferred scheme, the bottom of piston spare is fixed with the fixed axle, install the connecting rod between fixed axle and the bent axle spare, the connecting rod rotates with fixed axle and bent axle spare to be connected, the bent axle spare comprises a plurality of crank and connecting rod axle, the one end of connecting rod is connected with the connecting rod axle.
In a preferred scheme, first connecting pipe is installed to one side on compression cylinder top, first connecting pipe switch-on compression cylinder's exhaust hole, a plurality of first connecting pipe passes through communicating pipe connection, the second connecting pipe is installed to one end of communicating pipe, a plurality of second connecting pipe that connects on the cylinder subassembly is through merging union coupling.
In a preferred scheme, an exhaust valve is arranged in the first connecting pipe, and an air inlet valve is arranged on the outer side of the crank box and positioned in each rotating cavity.
In a preferred scheme, a plurality of second connecting pipes are provided with electric valves.
In a preferred scheme, the clamping part comprises a second locking block and a second rotating shaft, a locking groove is formed in one end of the second rotating shaft, and the second locking block is arranged on the inner side of the locking groove;
the drive plug-in part comprises a guide plug-in column and a first rotating shaft, a first locking block is arranged on the outer side of the guide plug-in column, a cross plug-in column is arranged at one end of the guide plug-in column, the cross plug-in column is arranged in the first rotating shaft, and the first rotating shaft is in sliding connection with the cross plug-in column.
In a preferred scheme, install rotatory rim plate between cross inserted pillar and the direction inserted pillar, slide in the crankcase, crankcase internally mounted has two electric putter, electric putter's one end is fixed with the fixture block, the fixture block is installed in the outside of rotatory rim plate, rotatory rim plate rotates with the fixture block and is connected.
In a preferred scheme, one side face of the first locking block and the other side face of the second locking block are respectively provided with an inclined face, the inclined faces of the first locking block and the second locking block are arranged in opposite directions, and the two inclined faces are attached after the first locking block and the second locking block are attached.
In a preferred scheme, the inner wall of the compression cylinder is provided with a circulating flow pipeline, the top of the circulating flow pipeline is provided with a circulating driving chamber, the inside of the circulating driving chamber is rotationally connected with a driving turbine, each compression cylinder is internally provided with a piston member in a sliding manner, the top of the compression cylinder is provided with an exhaust hole, the exhaust hole is rotationally connected with an impeller, and the impeller is connected with the driving turbine through a rotating member.
A crankshaft adapted for a piston air compressor comprising a crankshaft assembly as claimed in any one of the preceding claims.
The invention has the technical effects that:
the crankshaft assembly is formed by a plurality of crankshaft pieces, each crankshaft piece corresponds to a group of cylinder assemblies, and the two adjacent crankshaft pieces can be connected in a control manner through the connecting assembly, so that in specific application, the number of the driving cylinder assemblies can be controlled through the number of the connecting crankshaft pieces and the number of the connecting crankshaft pieces, the running power of the device can be conveniently adjusted, and when the high-power running is carried out, the cylinder assemblies of the plurality of groups are started at the same time, so that the reciprocating speed of a piston is not increased while the high-power running is carried out, the noise is effectively reduced, and the rising speed of the temperature of the cylinder is reduced;
according to the invention, the impeller arranged in the exhaust hole can be blown to rotate by the gas when the gas is exhausted, and drives the driving turbine to rotate, so that the cooling liquid in the circulating flow pipeline can circulate, and the cooling effect on the compression cylinder is better.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a schematic diagram of the structure of the present invention;
FIG. 3 is a cross-sectional view of a structure of one side of the present invention;
FIG. 4 is a schematic structural view of the crank axle assembly of the present invention;
FIG. 5 is a schematic view of the structure of the connection assembly of the present invention;
FIG. 6 is a schematic diagram of the structure of the present invention at B in FIG. 3;
FIG. 7 is a structural cross-sectional view of the connection assembly of the present invention;
fig. 8 is a schematic diagram of the structure of fig. 3 a according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a crank case; 2. a driving member; 3. a first connection pipe; 4. a communicating pipe; 5. a second connection pipe; 6. combining pipes; 7. a connecting rod; 8. a fixed shaft; 9. a piston member; 10. a cylinder assembly; 11. a compression cylinder; 12. a circulation flow duct; 13. a circulation driving chamber; 14. driving a turbine; 15. a rotating member; 16. an impeller; 20. a crankshaft assembly; 21. a front end shaft; 22. a crankshaft member; 23. a rear end shaft; 30. a connection assembly; 31. a first rotation shaft; 32. a cross-shaped inserting column; 33. rotating the wheel disc; 34. a guide post; 35. a first locking block; 36. a second locking block; 37. a second rotation shaft; 38. an electric push rod; 39. a clamping block; 41. a body; 42. a driving source; 43. an engagement portion; 44. the plug-in part is driven.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one preferred embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
In describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale, and the schematic drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Example 1
Referring to fig. 1 to 7, a first embodiment of the present invention provides a piston air compressor, comprising:
a body 41, the body 41 being provided with a drive source 42;
the machine head is arranged on the machine body 41;
the machine head comprises a crank box 1, a plurality of groups of cylinder assemblies 10 are arranged above the crank box 1, each cylinder assembly 10 comprises a plurality of compression cylinders 11, the plurality of compression cylinders 11 are uniformly arranged on the outer side of the crank box 1, one end of the crank box 1 is fixedly provided with a driving piece 2, one end of the driving piece 2 is positioned in the crank box 1, and a crank shaft assembly 20 is arranged in the crank box 1;
wherein the connecting assembly 30 comprises a clamping portion 43 and a driving plug portion 44, the driving plug portion 44 is matched with the clamping portion 43, the driving plug portion 44 and the clamping portion 43 are respectively mounted on two adjacent crank members 22, and when the driving plug portion 44 is clamped with the clamping portion 43, the two adjacent crank members 22 operate synchronously
The driving element 2 is driven by the driving source 42 to enable the machine head to operate, so that the prior art is mature in application and is not described in detail herein;
the crankshaft assembly 20 comprises a front end shaft 21, a rear end shaft 23, a plurality of crankshaft pieces 22 and a connecting assembly 30, wherein the front end shaft 21 is rotatably connected to one end of the crankcase 1, the rear end shaft 23 is rotatably connected to the other end of the crankcase 1, a plurality of rotating cavities are formed in the crankcase 1, the crankshaft pieces 22 are arranged in the rotating cavities, and every two adjacent crankshaft pieces 22 are connected through the connecting assembly 30;
the bottom of the piston piece 9 is fixed with a fixed shaft 8, a connecting rod 7 is arranged between the fixed shaft 8 and a crankshaft piece 22, the connecting rod 7 is rotationally connected with the fixed shaft 8 and the crankshaft piece 22, the crankshaft piece 22 consists of a plurality of cranks and connecting rod shafts, and one end of the connecting rod 7 is connected with the connecting rod shafts;
when the air compressor is in use, the front end shaft 21 is driven by the driving piece 2 to rotate so as to drive one of the crankshaft pieces 22 to rotate, the connecting assembly 30 is controlled to connect the plurality of crankshaft pieces 22 together according to actual conditions, the connected crankshaft assembly 20 can simultaneously rotate by the plurality of crankshaft pieces 22 when rotating, and the piston piece 9 can be driven to lift in the compression cylinder 11 when the crankshaft pieces 22 simultaneously rotate so as to complete air compression;
the cylinder assembly 10 can be provided with a plurality of groups, and can be used simultaneously or not according to actual conditions, so that the power can be adjusted more conveniently.
Next, referring to fig. 2 again, a first connection pipe 3 is installed at one side of the top end of the compression cylinder 11, the first connection pipe 3 is connected to the exhaust hole of the compression cylinder 11, a plurality of first connection pipes 3 are connected through a connection pipe 4, a second connection pipe 5 is installed at one end of the connection pipe 4, and the second connection pipes 5 connected to a plurality of cylinder assemblies 10 are connected through a combining pipe 6.
The plurality of compression cylinders 11 of each group of cylinder assemblies 10 are connected together through the first connecting pipe 3, compressed air is discharged through the compression cylinders 11, and the plurality of groups of cylinder assemblies 10 are connected together through the combining pipe 6.
And then, an exhaust valve is arranged in the first connecting pipe 3, and an intake valve is arranged outside the crank case 1 and in each rotating cavity.
In the above, when the device is operated, air is fed into the rotating cavity of the crank case 1 from the air inlet valve, and compressed air is discharged from the air outlet valve.
Further, electric valves are arranged on the second connecting pipes 5.
The above-mentioned electric valve is opened when the corresponding cylinder assembly 10 is started, so that the compressed gas of the corresponding cylinder assembly 10 can be delivered to the subsequent parts of the air compressor through the second connecting pipe 5 to the combining pipe 6.
Further, the engaging portion 43 includes a second locking block 36 and a second rotating shaft 37, one end of the second rotating shaft 37 is provided with a locking groove, and the second locking block 36 is mounted on the inner side of the locking groove;
the driving plug-in part 44 comprises a guiding plug-in column 34 and a first rotating shaft 31, a first locking block 35 is arranged on the outer side of the guiding plug-in column 34, a cross plug-in column 32 is arranged at one end of the guiding plug-in column 34, the cross plug-in column 32 is arranged in the first rotating shaft 31, and the first rotating shaft 31 is in sliding connection with the cross plug-in column 32;
when two adjacent crank members 22 are connected, the driving plug-in part 44 mounted on one crank member 22 is inserted into the engaging part 43, at this time, the driving plug-in part 44 is engaged with the engaging part 43, and when one crank member 22 rotates, the other crank member 22 can be driven to rotate by the connecting assembly 30;
when the driving plug-in portion 44 and the engaging portion 43 are connected, the cross plug-in post 32 slides outwards to push the guiding plug-in post 34 together with the first locking block 35 to be inserted into the second rotating shaft 37, and the first locking block 35 and the second locking block 36 in the second rotating shaft 37 are arranged in a crossed manner, so that the second rotating shaft 37 and the guiding plug-in post 34 are locked, and the second rotating shaft 37 can be driven to rotate simultaneously when the guiding plug-in post 34 rotates, so that the connection of the two crankshaft members 22 is completed.
A rotary wheel disc 33 is arranged between the cross inserted column 32 and the guide inserted column 34, slides in the crank box 1, two electric push rods 38 are arranged in the crank box 1, a clamping block 39 is fixed at one end of each electric push rod 38, the clamping block 39 is arranged on the outer side of the rotary wheel disc 33, and the rotary wheel disc 33 is rotationally connected with the clamping block 39;
when the cross plunger 32 is pushed to slide, the electric push rod 38 drives the clamping block 39 to slide, the clamping block 39 drives the rotary wheel 33 to move when sliding, the rotary wheel 33 moves together with the rotary wheel 33 to fix the cross plunger 32 and the guide plunger 34, and the guide plunger 34 and the second rotating shaft 37 are fixed, and the clamping block 39 is not affected when the rotary wheel 33 rotates along with the guide plunger 34 due to the rotary connection between the rotary wheel 33 and the clamping block 39.
Inclined surfaces are arranged on one side surface of the first locking block 35 and the other side surface of the second locking block 36, the inclined surfaces of the first locking block 35 and the second locking block 36 are arranged in opposite directions, and the two inclined surfaces are bonded after the first locking block 35 and the second locking block 36 are bonded;
when two adjacent crankshaft members 22 are connected, the first locking block 35 is inserted into the second rotating shaft 37, and if the first locking block 35 and the second locking block 36 are not at the intersecting position, the inclined plane at one end of the first locking block 35 will be attached to the inclined plane of the second locking block 36, and the front end shaft 21 is controlled to rotate slowly, and the front end shaft 21 drives the first locking block 35 to rotate, and then pushes the first locking block 35 to insert into the second rotating shaft 37, and when the first locking block 35 rotates to the intersecting position with the second locking block 36, the first locking block 35 is completely pushed into the second rotating shaft 37, and at this time, the front end shaft 21 can drive the crankshaft member 22 just connected to rotate when controlling one of the crankshaft members 22 to rotate.
In this embodiment, the head part of the air compressor can be designed into several groups of cylinder assemblies 10 according to the requirement, each group of cylinder assemblies 10 corresponds to one crank shaft member 22, and several compression cylinders 11 can be designed in each group of cylinder assemblies 10, and when in use, the compression cylinders 11 in each group of cylinder assemblies 10 can drive the piston members 9 by one corresponding crank shaft member 22, in practical use, several groups of cylinder assemblies 10 can be selectively started according to the requirement, when more than one group of cylinder assemblies 10 are simultaneously started, two adjacent crank shaft members 22 are connected by the connecting assembly 30, so that the two crank shaft members 22 can be linked to rotate simultaneously, thereby starting the two adjacent groups of cylinder assemblies 10, and further, the several groups of cylinder assemblies 10 can be selectively started according to the practical requirement, so that the power of the device can be adjusted, and the effect is better
Example 2
Referring to fig. 3 and 8, a second embodiment of the present invention is provided, in which a circulation flow pipe 12 is provided in an inner wall of a compression cylinder 11, a circulation driving chamber 13 is provided at a top of the circulation flow pipe 12, a driving turbine 14 is rotatably connected to an inside of the circulation driving chamber 13, a piston member 9 is slidably installed in each compression cylinder 11, an exhaust hole is provided at a top of the compression cylinder 11, an impeller 16 is rotatably connected to the exhaust hole, and the impeller 16 and the driving turbine 14 are connected through a rotating member 15;
above-mentioned, when using, piston 9 slides from top to bottom in compression cylinder 11, when upwards promoting, can promote the air exhaust hole department in the compression cylinder 11, and when the air flow passes through the exhaust hole, can promote impeller 16 rotatory, can drive the drive turbine 14 and rotate simultaneously when impeller 16 is rotatory, can drive the coolant liquid in the circulation flow pipeline 12 through drive turbine 14 and circulate and flow, can cool down compression cylinder 11 when flowing to reach the radiating effect to compression cylinder 11.
In this embodiment, when the device is operated, the piston member 9 pushes air to be discharged from the exhaust hole, and the discharged air pushes the impeller 16 to rotate to drive the turbine 14 to rotate, and drives the cooling liquid in the circulation flow pipeline 12 to circulate, so as to cool the compression cylinder 11.
Example 3
For the third embodiment of the present invention, which is based on the two above embodiments, there is provided a crankshaft adapted to a piston air compressor, comprising a crankshaft assembly 20 as in either of the two embodiments described above.
The working principle of the invention is as follows: when the air cylinder assembly is used, a proper number of air cylinder assemblies 10 are selected to operate according to actual use conditions, when more than one group of air cylinder assemblies 10 are operated, two crankshaft members 22 are fixed together through a connecting assembly 30 arranged between the two crankshaft members 22, after the proper number of crankshaft members 22 are connected together, the front end shafts 21 are driven to rotate through the driving members 2, the crankshaft members 22 can be driven to rotate, the corresponding piston members 9 are driven to lift and fall in the compression air cylinders 11 to compress air when the crankshaft members 22 rotate, the piston members 9 push air to blow out from exhaust holes when the piston members 9 lift, the impeller 16 is driven to rotate when the air is blown out, the driving turbine 14 is driven to rotate, and cooling liquid in the circulating flow pipeline 12 and the circulating driving chamber 13 is stirred to circularly flow in the circulating flow pipeline 12 to dissipate heat of the compression air cylinders 11.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (5)

1. A piston air compressor comprising:
a machine body (41), wherein a driving source (42) is arranged on the machine body (41);
the aircraft nose, the aircraft nose sets up on organism (41), its characterized in that:
the machine head comprises a crank box (1), a plurality of groups of air cylinder assemblies (10) are arranged above the crank box (1), each air cylinder assembly (10) comprises a plurality of compression air cylinders (11), a plurality of compression air cylinders (11) are uniformly arranged on the outer side of the crank box (1), a driving piece (2) is fixed at one end of the crank box (1), and a crank shaft assembly (20) is arranged at one end of the driving piece (2) and positioned in the crank box (1);
the crankshaft assembly (20) comprises a front end shaft (21), a rear end shaft (23), a plurality of crankshaft pieces (22) and a connecting assembly (30), wherein the front end shaft (21) is rotationally connected to one end of the crankcase (1), the rear end shaft (23) is rotationally connected to the other end of the crankcase (1), a plurality of rotating cavities are formed in the crankcase (1), the crankshaft pieces (22) are installed in the rotating cavities, and every two adjacent crankshaft pieces (22) are connected through the connecting assembly (30);
the connecting assembly (30) comprises a clamping part (43) and a driving plug-in part (44), the driving plug-in part (44) is matched with the clamping part (43), the driving plug-in part (44) and the clamping part (43) are respectively arranged on two adjacent crank shaft pieces (22), and when the driving plug-in part (44) is clamped with the clamping part (43), the two adjacent crank shaft pieces (22) synchronously operate;
the clamping part (43) comprises a second locking block (36) and a second rotating shaft (37), a locking groove is formed in one end of the second rotating shaft (37), and the second locking block (36) is arranged on the inner side of the locking groove;
the driving plug-in part (44) comprises a guiding plug-in column (34) and a first rotating shaft (31), a first locking block (35) is arranged on the outer side of the guiding plug-in column (34), a cross plug-in column (32) is arranged at one end of the guiding plug-in column (34), the cross plug-in column (32) is arranged in the first rotating shaft (31), and the first rotating shaft (31) is in sliding connection with the cross plug-in column (32);
a rotary wheel disc (33) is arranged between the cross inserting column (32) and the guide inserting column (34), the rotary wheel disc (33) slides in the crank box (1), two electric push rods (38) are arranged in the crank box (1), a clamping block (39) is fixed at one end of each electric push rod (38), the clamping block (39) is arranged on the outer side of the rotary wheel disc (33), and the rotary wheel disc (33) is rotationally connected with the clamping block (39);
inclined surfaces are arranged on one side surface of the first locking block (35) and the other side surface of the second locking block (36), the inclined surfaces of the first locking block (35) and the second locking block (36) are arranged in opposite directions, and the two inclined surfaces are attached after the first locking block (35) and the second locking block (36) are attached;
the internal cooling device is characterized in that a circulating flow pipeline (12) for built-in cooling liquid is arranged in the inner wall of the compression cylinder (11), a circulating driving chamber (13) is arranged at the top of the circulating flow pipeline (12), a driving turbine (14) is rotatably connected to the inside of the circulating driving chamber (13), a piston part (9) is slidably mounted in each compression cylinder (11), an exhaust hole is formed in the top of the compression cylinder (11), an impeller (16) is rotatably connected to the exhaust hole, and the impeller (16) and the driving turbine (14) are connected through a rotating part (15).
2. A piston air compressor as set forth in claim 1 wherein: the bottom of piston spare (9) is fixed with fixed axle (8), install connecting rod (7) between fixed axle (8) and bent axle spare (22), connecting rod (7) are connected with fixed axle (8) and bent axle spare (22) rotation, bent axle spare (22) comprise a plurality of crank and connecting rod axle, the one end and the connecting rod axle of connecting rod (7) are connected.
3. A piston air compressor as set forth in claim 1 wherein: the one side on compression cylinder (11) top is installed first connecting pipe (3), the exhaust hole of compression cylinder (11) is put through to first connecting pipe (3), and a plurality of first connecting pipe (3) are connected through communicating pipe (4), second connecting pipe (5) are installed to one end of communicating pipe (4), and a plurality of second connecting pipe (5) that are connected on cylinder assembly (10) are connected through merge pipe (6).
4. A piston air compressor as claimed in claim 3, wherein: an exhaust valve is arranged in the first connecting pipe (3), and an air inlet valve is arranged outside the crank case (1) and in each rotating cavity.
5. A piston air compressor as claimed in claim 3, wherein: and a plurality of second connecting pipes (5) are provided with electric valves.
CN202310715681.9A 2023-06-16 2023-06-16 Piston type air compressor and crankshaft adapted by same Active CN116447104B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310715681.9A CN116447104B (en) 2023-06-16 2023-06-16 Piston type air compressor and crankshaft adapted by same

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GB900436A (en) * 1959-09-17 1962-07-04 Daimler Benz Ag Improvements relating to clutches, particularly for motor vehicles
CN204113590U (en) * 2014-10-15 2015-01-21 台州市拓安机电有限公司 Twin-tub is without oily piston compressor
CN104895757A (en) * 2015-06-19 2015-09-09 安庆市佰联无油压缩机有限公司 Full-oil-free lubrication high-pressure compressor
CN106969061A (en) * 2016-01-13 2017-07-21 创科（澳门离岸商业服务）有限公司 From engagement clutch
CN206377000U (en) * 2017-01-17 2017-08-04 孙增国 A kind of new air compressor host
CN109915340A (en) * 2019-03-26 2019-06-21 江西气体压缩机有限公司 Three column of long wheelbase, three cylinder vertical compressor
CN211116461U (en) * 2019-08-20 2020-07-28 潍柴动力股份有限公司 Air compressor machine and have its vehicle
CN214118335U (en) * 2020-11-18 2021-09-03 浙江派尼尔科技股份有限公司 Adjustable aviation power device of opposition discharge capacity
CN116241432A (en) * 2023-03-21 2023-06-09 浙江越远机械有限公司 Air compressor device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2889275B1 (en) * 2005-07-29 2008-09-12 France Reducteurs Sas Soc Par TRANSMISSION DEVICE BETWEEN A PRIMARY MOTOR SHAFT AND AN OUTPUT SHAFT

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB900436A (en) * 1959-09-17 1962-07-04 Daimler Benz Ag Improvements relating to clutches, particularly for motor vehicles
CN204113590U (en) * 2014-10-15 2015-01-21 台州市拓安机电有限公司 Twin-tub is without oily piston compressor
CN104895757A (en) * 2015-06-19 2015-09-09 安庆市佰联无油压缩机有限公司 Full-oil-free lubrication high-pressure compressor
CN106969061A (en) * 2016-01-13 2017-07-21 创科（澳门离岸商业服务）有限公司 From engagement clutch
CN206377000U (en) * 2017-01-17 2017-08-04 孙增国 A kind of new air compressor host
CN109915340A (en) * 2019-03-26 2019-06-21 江西气体压缩机有限公司 Three column of long wheelbase, three cylinder vertical compressor
CN211116461U (en) * 2019-08-20 2020-07-28 潍柴动力股份有限公司 Air compressor machine and have its vehicle
CN214118335U (en) * 2020-11-18 2021-09-03 浙江派尼尔科技股份有限公司 Adjustable aviation power device of opposition discharge capacity
CN116241432A (en) * 2023-03-21 2023-06-09 浙江越远机械有限公司 Air compressor device

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